#include "stdio.h"

int twoDigitAdd(int a, int b) {
    //todo write your algorithm here
    int n;
    if(a>=100)
      a=a%100;
    if(b>=100)
      b=b%100;  
     n=a+b;
    if(n>=100)
      n=n%100;
      return(n);
}

int main(void)
{
    int a = 45;
    int b = 56;
    printf("%d add %d is %d", a, b, twoDigitAdd(a, b));
    return 0;
}

